17997733302028 has 24 divisors (see below), whose sum is σ = 31808773839024. Its totient is φ = 8909517240000.

The previous prime is 17997733301993. The next prime is 17997733302037. The reversal of 17997733302028 is 82020333779971.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14115126 + ... + 15337282.

It is an arithmetic number, because the mean of its divisors is an integer number (1325365576626).

Almost surely, 2^{17997733302028} is an apocalyptic number.

It is an amenable number.

17997733302028 is a deficient number, since it is larger than the sum of its proper divisors (13811040536996).

17997733302028 is a wasteful number, since it uses less digits than its factorization.

17997733302028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1258713 (or 1258711 counting only the distinct ones).

The product of its (nonzero) digits is 24004512, while the sum is 61.

The spelling of 17997733302028 in words is "seventeen trillion, nine hundred ninety-seven billion, seven hundred thirty-three million, three hundred two thousand, twenty-eight".